Supported by the National Natural Science Foundation of China (No. 60972008)
Cognitive radio is able to share the spectrum with primary licensed user,which greatly improves the spectrum efficiency.We study the optimal power allocation for cognitive radio to maximize its ergodic capacity under ...
Acknowledgements The work was supported by National Natural Science Foundation of China (Grant No.60972008). The corresponding author is Jiang Wei.
Cognitive radio and cooperative communication can greatly improve the spectrum efficiency in wireless communications.We study a cognitive radio network where two secondary source terminals exchange their information w...